<template>
    <div class="icons">
        <swiper :options="swiperOption" ref="mySwiper">
            <swiper-slide v-for="(page,index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img class="icon-img-content" :src="item.imgUrl" alt="">
                    </div>
                    <p class="icon-desc">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>
<script>
export default {
    name:'HomeIcons',
    props:{
        list:Array
    },
    data(){
        return{
            swiperOption:{
            }
        }
    },
    computed:{
        pages(){
            const pages = []
            this.list.forEach((item,index)=>{
                const page = Math.floor(index/8)//子页面
                if(!pages[page]){
                    pages[page]=[]
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>
<style lang="stylus" scoped>
@import '~styles/varibles.styl'
@import '~styles/mixins.styl'
    .icons >>> .swiper-container
        height:0
        padding-bottom:50%
    .icon
        float:left
        position:relative
        overflow:hidden
        width:25% 
        height:0
        padding-bottom:25%
        .icon-img 
            position:absolute 
            top:0
            left:0
            right:0
            bottom:0.44rem
            box-sizing:border-box
            padding:.1rem
            .icon-img-content
                display:block
                margin:0 auto
                height:100%
        .icon-desc
            position:absolute 
            left:0
            right:0
            bottom:0
            height:.44rem
            line-height:.44rem
            text-align:center
            color:$darkTextColor
            ellipsis()
</style>